5.—(1) During the construction of the works the Authority may take from the said Allt Easan Biorach such water as they may require for such construction.
(2) After completion of the works the Authority–
(a)may in any one day take from the Allt Easan Biorach by means of Work No. 1 a quantity of water not greater than 415 cubic metres, as measured and recorded by an approved gauge (Work No. 3); and
(b)may not take water from the Allt Easan Biorach so as to reduce the rate of flow below 1,140 cubic metres in any day as measured through or over the existing gauge at present owned and operated by Isle of Arran Distillers, Lochranza.